Why are available shows not available? Sarcastaball, Rai

-Why are available shows not available? Sarcastaball, Raising the Bar, Insecurity-

Why have the following season 16 episodes availability been removed from the site?1. Sarcastaball (available 9/26/2012)2. Raising the Bar (available 10/03/2012)3. Insecurity (available 10/10/2012)

I have scoured the net and this site to try and find the reason, but it is not jumping out and slapping me in the face. Please explain why these episodes are “grayed out” and possibly change the wording on the episode available text that displays.

FOR EXAMPLE: “EPISODE AVAILABLE 09.26.2012SEE YOU THEN!SarcastaballOriginal Air Date: 09.26.2012As a concerned parent, Randy radically changes the way football is played at South Park Elementary. The new version of the game quickly becomes the nation’s most popular sport. One gifted student emerges as a star athlete in sarcastaball.